Producer: S. P. Murugesan
Director: Bali Srirangham
Writer: Karunanidhi, M. Karunanidhi
Release Date: 03 June,2010
Storyline: Pen singam (english: lioness) is a 2010 tamil film directed by bali srirangam. the film, based on m. karunanidhi's novel surulimalai, stars meera jasmine, uday kiran, richard, vivek, rohini, radha ravi, rambha and j. k. rithesh. the film released on june 3, 2010, coinciding with chief minister karunanidhi's 87th birthday.